-31.35% is the change from 622 to 427
Calculation steps:
[( 427 - 622 ) ÷ 622] x 100 = -31.35%
Formula
Percentage change = [(427 - 622) / 622] x 100
Subtract the new number by the original number
427 - 622 = -195
-195 ÷ 622 = -0.3135048231511254
-0.3135048231511254 x 100 = -31.35%